package com.itheima.service.mongo.impl;

import com.itheima.domain.mongo.Visitor;
import com.itheima.service.mongo.VisitorService;
import org.apache.dubbo.config.annotation.DubboService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;

import java.util.List;

@DubboService
public class VisitorServiceImpl implements VisitorService {

    @Autowired
    private MongoTemplate mongoTemplate;


    // 查询最近访客
    @Override
    public List<Visitor> findVisitorByCondition(Long userId, Long lastAccessTime) {
        // 1.构建查询条件
        Query query = new Query(
                Criteria.where("userId").is(userId)
                .and("date").gt(lastAccessTime))
                .skip(0).limit(5); // 查询符合条件前五条

        // 2.查询list集合
        List<Visitor> visitorList = mongoTemplate.find(query, Visitor.class);

        // 3.返回
        return visitorList;
    }
}
